Stevens stars as the schizophrenic son of Professor X from "X-Men."

Jemaine Clement is joining FX’s “Legion,” it was announced today at New York Comic-Con. Though his actual role hasn’t been announced, Deadline reports that it will be a multi-episode arc for the “Flight of the Conchords” star. Dan Stevens will headline the show as David Heller (aka Legion), the schizophrenic son of Professor Xavier of “X-Men.”

Showrunner Noah Hawley said during the event that “we live in very tumultuous times, things are polarizing and there is a lot of intolerance,” adding of Stevens’ character that “this isn’t about battling the enemy but dealing with the enemy within.”

“Legion” joins the ranks of other Marvel series, but unlike “Luke Cage,” “Jessica Jones” and “Daredevil,” it’s a standalone narrative. The first half of the pilot was screened during today’s panel.